通过变压器耦合传输线的正交压控振荡器

2019 12th International Workshop on the Electromagnetic Compatibility of Integrated Circuits (EMC Compo) Pub Date : 2019-10-01 DOI:10.1109/EMCCompo.2019.8919938

W. Lai, S. Jang, Jia-Wun Syu

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引用次数: 3

摘要

提出了一种新型正交压控振荡器(QVCO)，它是由四个交叉耦合的压控振荡器(vco)通过磁耦合的环形电感耦合而成。电路设计采用了行波和驻波振荡器的概念。所提出的CMOS QVCO采用台积电0.18$\mu$ m SiGe 3P6M技术实现，芯片面积为1。$072 \乘以1$。072平方毫米。电源电压为1V时，总功耗为5.33mW。当调谐电压在0.0V到2V之间变化时，QVCO的自由运行频率在3.26 GHz到3.98 GHz之间可调。在振荡频率为3.26 GHz时，在1MHz频偏处测量到的相位噪声为122.143 dBc/Hz，所提出的QVCO的质量因数(FOM)为185.11 dBc/Hz。

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Quadrature VCO Via Transformer-coupled Transmission Line

This paper presents a new quadrature voltage-controlled oscillator (QVCO), which consists of four cross-coupled voltage-controlled oscillators (VCOs) coupled by a loop inductor through magnetic coupling. The circuit design uses the concept of traveling wave and standing wave oscillators. The proposed CMOS QVCO has been implemented with the TSMC 0.18$\mu$ m SiGe 3P6M technology and the die area is 1. $072 \times 1$. 072mm2. At the supply voltage of 1V, the total power consumption is 5.33mW. The free-running frequency of the QVCO is tuneable from 3.26 GHz to 3.98 GHz as the tuning voltage is varied from 0.0V to 2V. The measured phase noise at 1MHz frequency offset is-122.143 dBc/Hz at the oscillation frequency of 3.26 GHz and the Figure of merit (FOM) of the proposed QVCO is-185.11 dBc/Hz.

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来源期刊

2019 12th International Workshop on the Electromagnetic Compatibility of Integrated Circuits (EMC Compo)

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